Food Microbiology

Sun, 10/13/2019 - 03:27
Author(s): Helena Taina Diniz-Silva, Larissa Ramalho Brandão, Mércia de Sousa Galvão, Marta Suely Madruga, Janeeyre Ferreira Maciel, Evandro Leite de Souza, Marciane MagnaniAbstractThe effects of the incorporation of the essential oils from Origanum vulgare L. (OVEO; 0.07 μL/g) and Rosmarinus officinalis L. (ROEO; 2.65 μL/g) in combination in Minas Frescal cheese on the counts of the probiotic...
Wed, 10/09/2019 - 03:26
Author(s): Sofia Griselda Cuggino, Isabel Bascón Villegas, Francisco Rincón, Alejandra Pérez Agostini, Guiomar Posada-Izquierdo, Javier Marugán, Cristina Pablos Carro, Fernando Pérez-RodríguezAbstractThis work aimed to study the effect of the combination of Sodium hypochlorite, the most used disinfectant by the vegetable industry, with a natural antimicrobial, benzyl-isothiocyanate (BITC),...
Wed, 10/09/2019 - 03:26
Author(s): Zhibin Liu, Zhiyao Wang, Jinyuan Sun, Li NiAbstractGutian Hong Qu glutinous rice wine (GHQW) is a representative alcoholic beverage in China. During its traditional brewing process, multiple strains are involved. However, the roles of these microorganisms, particularly their contributions to aroma formation, are poorly understood. Therefore, in this study, the dynamics of volatile...
Tue, 10/08/2019 - 03:27
Author(s): Cecilia Lucero Estrada, Gabriela Isabel Favier, María Esther EscuderoAbstractThis study is aimed at offering an overview of the prevalence of Yersinia enterocolitica and related species in San Luis, Argentina, from samples of diverse origin received in our laboratory between 1984 and 2014, and providing an analysis of the distribution of Yersinia isolates according to their isolation...
Tue, 09/24/2019 - 03:25
Author(s): Anas A. Al-Nabulsi, Tareq M. Osaili, Amin N. Olaimat, Weam E. Almasri, Mutamed Ayyash, Murad A. Al-Holy, Ziad W. Jaradat, Reyad S. Obaid, Richard A. HolleyABSTRACTTahini is a popular food product in the Middle East region and is used as a major ingredient in several ready-to-eat food products. Tahini and its products have been linked to foodborne illness outbreaks and product recalls...
Tue, 09/24/2019 - 03:25
Author(s): Xiaoye Shen, Yi-Cheng Su, Chengchu Liu, Tom Oscar, Angelo DePaola
Tue, 09/24/2019 - 03:25
Author(s): Dandan Xu, Peng Wang, Xin Zhang, Jian Zhang, Yong Sun, Lihua Gao, Wenping WangAbstractRed sufu is a traditional food produced by the fermentation of soybean. In this study, sufu samples were periodically collected during the whole fermentation to investigate the dynamic changes of fungal and bacterial communities using high-throughput sequencing technology. The overall process can be...
Tue, 09/24/2019 - 03:25
Author(s): Du Guo, Shuo Wang, Jiahui Li, Fangting Bai, Yanpeng Yang, Yunfeng Xu, Sen Liang, Xiaodong Xia, Xin Wang, Chao ShiAbstractCoenzyme Q0 (CoQ0) has demonstrated antitumor, anti-inflammatory, and anti-angiogenic activities. Cronobacter sakazakii is an opportunistic foodborne pathogen associated with high mortality in neonates. In this study, the antimicrobial activity and possible...
Tue, 09/24/2019 - 03:25
Author(s): Hamada A. Aboubakr, Fernando Sampedro Parra, James Collins, Peter Bruggeman, Sagar M. GoyalAbstractCold atmospheric-gaseous plasma (CAP) is an emerging non-thermal technology for decontamination of foodborne bacterial and viral pathogens. We obtained a >5 log10 reduction in the titer (TCID50) of feline calicivirus (FCV) on stainless steel discs and Romaine lettuce leaves after 3 min...
Tue, 09/17/2019 - 01:03
Available online 16 September 2019 Author(s): Yuan Fang, Lynn M. McMullen, Michael G. GänzleAbstractDrying processes do not eliminate pathogenic Escherichia coli in foods but induce sublethal injury, which may also induce the Shiga toxin (Stx) prophage. This study investigated the effect of drying on membrane lipid oxidation and stx expression in E. coli. Lipid peroxidation was probed with C11-...
Sun, 09/15/2019 - 01:03
Available online 14 September 2019 Author(s): Elpiniki Vandera, Maria Parapouli, Athanasia Kakouri, Anna-Irini Koukkou, Efstathios Hatziloukas, John SamelisABSTRACTThe presence of eight common structural enterocin genes, singly or in varying combinations, in the genome of 15 antagonistic Enterococcus spp. previously isolated from artisan Greek Graviera and Galotyri retail cheeses was tested and...
Sat, 09/14/2019 - 01:03
Available online 12 September 2019 Author(s): Bruna Farias Alves, Solange Maria Gennari, Solange Oliveira, Herbert Sousa Soares, Carlos Adam Conte-Junior, Jitender Prakash Dubey, Marcos Amaku, Hilda Fátima Jesus PenaAbstractThe present study evaluated the viability of Toxoplasma gondii tissue cysts in dry-aged pork loins (m. longissimus) after 14, 21 and 28 days under controlled temperature (0ºC...
Fri, 09/13/2019 - 01:03
Available online 11 September 2019 Author(s): Xiang-Feng Zheng, Zhen-quan Yang, Hui Zhang, Wen-Xi Jin, Cui-Wen Xu, Lu Gao, Sheng-Qi Rao, Xin-an JiaoAbstractPickle is a type of mildly lactic acid fermented vegetable and is a traditional dish favored in China, Japan, and Korea. Corruption of spoilage bacteria and accumulation of nitrite during vegetable fermentation are common problems that affect...
Wed, 09/11/2019 - 01:05
Available online 9 September 2019 Author(s): Prabhat K. Talukdar, Mahfuzur R. SarkerAbstractClostridium perfringens SM101 genome encode three serine proteases (CspA, CspB, and CspC), and genetic evidence indicates that CspB is required for processing of pro-SleC into active SleC, an enzyme essential for degradation of the peptidoglycan cortex during spore germination. In this study, the...
Wed, 09/11/2019 - 01:05
Available online 9 September 2019 Author(s): Meera Surendran Nair, Fulin Ma, Patrick Lau, Indu Upadhyaya, Kumar VenkitanarayananAbstractThe study investigated the efficacy of two GRAS-status phytochemicals, mega-resveratrol (RV) and naringenin (NG) to inactivate Escherichia coli O157:H7 (EHEC) in apple cider. A five-strain mixture of EHEC (∼7 log CFU/ml) was inoculated into cider, followed by the...
Fri, 09/06/2019 - 01:05
Available online 5 September 2019 Author(s): Kristina Eissenberger, David Drissner, Fiona Walsh, Agnes Weiss, Herbert SchmidtAbstractHuman disease outbreaks caused by pathogenic Escherichia coli are increasingly associated with the consumption of contaminated fresh produce. Internalization of enteroaggregative/enterohemorrhagic E. coli (EAEC/EHEC) strains into plant tissues may present a serious...
Sat, 08/31/2019 - 01:04
Available online 29 August 2019 Author(s): Jeong-Eun Hyun, Sun-Young LeeAbstractThe aim of this study was to investigate the antibacterial effect of 460–470 nm light-emitting diode (LED460–470nm) illumination against pathogens and spoilage bacteria on the surface of agar media and packaged sliced cheese. LED460–470nm illumination highly inhibited the growth of Listeria monocytogenes and...
Sat, 08/31/2019 - 01:04
Available online 29 August 2019 Author(s): Norton Komora, Cláudia Maciel, Vânia Ferreira, Teresa R.S. Brandão, Jorge M.A. Saraiva, Sónia Marília Castro, Paula TeixeiraAbstractNon-thermal food processing and replacement of chemical additives by natural antimicrobials are promising trends in the food industry. The objective of the present work was to evaluate the effect of a process which combines...
Wed, 08/28/2019 - 01:04
Available online 26 August 2019 Author(s): Yoshitsugu Ochiai, Yuko Yoshikawa, Mariko Mochizuki, Takashi Takano, Fukiko UedaAbstractSome Listeria monocytogenes strains are persistent in food processing environments, where this pathogen may be subjected to various stresses. This study aimed to elucidate the response of persistent strains of L. monocytogenes to low pH and H2O2 exposure. Almost all...
Sun, 08/25/2019 - 01:05
Available online 23 August 2019 Author(s): Martin Laage Kragh, Mikala Thykier, Lisbeth Truelstrup HansenAbstractThe objective of this study was to develop a qPCR method for specific enumeration of viable Listeria monocytogenes in food processing facilities and heat treated products. Primers specific for L. monocytogenes were designed to amplify a short (199 bp) or long (1561 bp) fragment of the...
Sat, 08/24/2019 - 01:03
Available online 22 August 2019 Author(s): Laura Quéro, Priscillia Courault, Beatrice Cellière, Sophie Lorber, Jean-Luc Jany, Olivier Puel, Victoria Girard, Valérie Vasseur, Patrice Nodet, Jérôme MounierAbstractFilamentous fungi are one of the main causes of food losses worldwide and their ability to produce mycotoxins represents a hazard for human health. Their correct and rapid identification...
Sat, 08/24/2019 - 01:03
Available online 22 August 2019 Author(s): Hamada A. Aboubakr, Fernando Sampedro, James Collins, Peter Bruggeman, Sagar M. GoyalAbstractCold atmospheric-gaseous plasma (CAP) is an important non-thermal technology for decontamination of foodborne bacterial and viral pathogens. We obtained a >5 log10 reduction in the titer (TCID50) of feline calicivirus (FCV) on stainless steel discs and Romaine...
Thu, 08/22/2019 - 01:03
Available online 20 August 2019 Author(s): Xinyao Wei, Soon Kiat Lau, Boreddy Sreenivasula Reddy, Jeyamkondan SubbiahAbstractSpray dried egg white powder (EWP) is traditionally processed by hot room treatment for a prolonged period of time (67 °C for 15 days) to enhance its functionality (foaming and gelling) and to microbial safety of EWP. Our prior research demonstrated that radio-frequency (RF...
Tue, 08/20/2019 - 01:05
Available online 17 August 2019 Author(s): F.F. Parlapani, F. Syropoulou, A. Tsiartsafis, S. Ekonomou, P. Madesis, A. Exadactylos, I.S. BoziarisAbstractHigh-resolution melting (HRM) analysis followed by sequencing was applied for determination of bacteria grown on plates isolated from farmed mussels (Mytilus galloprovincialis) during their storage at 4 °C. The V3–V4 region of the 16S rRNA gene...
Sat, 08/17/2019 - 01:04
Available online 16 August 2019 Author(s): Jitendra Patel, Hsin-Bai Yin, Gary Bauchan, Joseph MoweryAbstractEscherichia coli O157:H7 and Salmonella enterica are foodborne pathogens with major public health concern in the U.S. These pathogens utilize several virulence factors to initiate infections in humans. The antimicrobial effect of seven glucosinolate hydrolysis compounds against Salmonella...
Thu, 08/15/2019 - 01:05
Available online 14 August 2019 Author(s): L.A.A. Menezes, M.L. Savo Sardaro, R.T.D. Duarte, R.R. Mazzon, E. Neviani, M. Gatti, J. De Dea LindnerAbstractThis study dealt with the influence of the temperature on the bacterial dynamics of two spontaneously fermented wheat sourdoughs, propagated at 21 ± 1 °C (SD1) and 30 ± 1 °C (SD2), during nine backslopping steps (BS1 to BS9). Proteobacteria was...
Sun, 08/11/2019 - 01:04
Available online 9 August 2019 Author(s): Zhihua Li, Ling Dong, Chi Zhao, Yongqing ZhuAbstractFermented red pepper (FRP) sauce has been eaten in worldwide for many years. The salt content and resident microbial community influences the quality of the FRP sauce and may confer health (e.g., probiotics) or harm (e.g., antibiotic resistance genes) to the consumers in some circumstances; however, the...
Thu, 08/08/2019 - 01:03
Available online 6 August 2019 Author(s): Camila Gadotti, Fereidoun Forghani, Francisco Diez-GonzalezAbstractHispanic style soft non-fermented cheeses, such as queso fresco (QF) have been linked to outbreaks and recalls. Salmonella is one of the main causes of these incidents. Due to lack of ripening or post-processing antimicrobial treatments, incorporating GRAS antimicrobials to production...
Fri, 08/02/2019 - 01:03
Available online 1 August 2019 Author(s): Lihan Huang, Changcheng LiAbstractThe objective of this study was to determine the kinetic parameters and apply Markov Chain Monte Carlo (MCMC) simulation to predict the growth of Clostridium perfringens from spores in ground chicken meat during dynamic cooling. Inoculated samples were exposed to various cooling conditions to observe dynamic growth. A...
Thu, 08/01/2019 - 01:04
Available online 31 July 2019 Author(s): Marcia Boura, Dace Brensone, Kimon A.G. KaratzasAbstractThe GAD system is widely present in several types of organisms and is known to play an important role in bacterial acid tolerance. There is only one account of this system playing a role in oxidative stress in bacteria and one in yeasts. Here we show for first time that it affects the oxidative stress...
Wed, 07/31/2019 - 01:03
Available online 29 July 2019 Author(s): Bárbara Ramos, Teresa R.S. Brandão, Paula Teixeira, Cristina L.M. SilvaAbstractTwo biopreservation approaches for fresh lettuce, rocket salad, parsley and spinach were studied.The potential of Pediococcus pentosaceus DT016, as a protective culture, to suppress Listeria monocytogenes in vegetables during storage was evaluated. The pathogen numbers in the...
Sun, 07/28/2019 - 01:04
Available online 27 July 2019 Author(s): Yishan Yang, David J. GevekeAbstractThis study investigated the effectiveness of three thermal treatments; hot air (HA), hot water immersion (HWI), and hot water spraying (HWS); alone and in combination with radio frequency (RF) on the inactivation of Salmonella Typhimurium in shell eggs. In addition, the physical quality of the treated eggs and their...
Sat, 07/27/2019 - 01:03
Available online 26 July 2019 Author(s): Carolina Paduro, David A. Montero, Nayareth Chamorro, Leandro Carreño, Maricel Vidal, Roberto VidalAbstractListeria monocytogenes causes severe diseases in humans, including febrile gastroenteritis and systemic infections that has a high mortality despite antibiotic treatment. This pathogen may cause massive outbreaks associated to the consumption of...
Sat, 07/27/2019 - 01:03
Available online 26 July 2019 Author(s): Katia Rouzeau-Szynalski, Katharina Stollewerk, Ute Messelhäusser, Monika Ehling-SchulzAbstractCereulide, a potent toxin produced by Bacillus cereus, is a small, highly heat- and acid- resistant depsipeptide toxin, which confronts food industry with several challenges. Due to the ubiquitous presence of B. cereus in the environment, this opportunistic...
Wed, 07/24/2019 - 01:03
Available online 22 July 2019 Author(s): Nadja Jessberger, Markus Kranzler, Claudia Da Riol, Valerie Schwenk, Tanja Buchacher, Richard Dietrich, Monika Ehling-Schulz, Erwin MärtlbauerAbstractThe diarrheal type of food poisoning caused by enteropathogenic Bacillus cereus has been linked to various exotoxins. Best described are the non-hemolytic enterotoxin (Nhe), hemolysin BL (Hbl), and cytotoxin...
Wed, 07/24/2019 - 01:03
Available online 22 July 2019 Author(s): Ji-Sook Park, Jae-Won HaAbstractThe purpose of this study was to evaluate the synergistic bactericidal efficacy of combining ultrasound (US) and fumaric acid (FA) treatment against Escherichia coli O157:H7, Salmonella Typhimurium, and Listeria monocytogenes in apple juice and to identify the synergistic bactericidal mechanisms. Additionally, the effect of...
Thu, 07/18/2019 - 01:05
Available online 16 July 2019 Author(s): Magdalena Costa, Adriana Sucari, Sergio Epszteyn, Juan Oteiza, Jimena Gentiluomo, Celia Melamed, Yamila Figueroa, Santiago Mingorance, Agustina Grisaro, Silvia Spioussas, Mariana Buffoni Almeida, Mailen Caruso, Andrés Pontoni, Marcelo Signorini, Gerardo LeottaAbstractShiga toxin-producing Escherichia coli (STEC) are important pathogens transmitted by food...
Thu, 07/18/2019 - 01:05
Available online 16 July 2019 Author(s): Anne-laure Moyne, Tyann Blessington, Thomas R. Williams, Steven T. Koike, Michael D. Cahn, Maria L. Marco, Linda J. HarrisAbstractThe impact of plant development, environmental conditions at the time of inoculation, and inoculum concentration on survival of attenuated BSL1 Escherichia coli O157:H7 strain ATCC 700728 on field-grown romaine lettuce was...
Wed, 07/17/2019 - 01:03
Available online 16 July 2019 Author(s): Dorra Djebbi-Simmons, Wenqing Xu, Marlene Janes, Joan KingAbstractOne of the most important transmission routes of foodborne pathogens is through contaminated food contact surfaces. In this study, we investigated the survival and inactivation of Salmonella enterica serovar Typhimurium on frequently used food contact surfaces in household settings,...
Tue, 07/16/2019 - 01:05
Available online 15 July 2019 Author(s): Francisco López-Gálvez, Maria Isabel Gil, Silvia Andújar, Ana AllendeAbstractFresh produce causes most foodborne outbreaks in the USA, and it is also considered a hazardous food product in other areas of the world such as Europe. The outbreaks attributed to fresh produce increase the focus of producers on hygiene to minimize exposure to food hazards. The...
Mon, 07/15/2019 - 01:05
Available online 13 July 2019 Author(s): Chao Yang, Xianglilan Zhang, Hang Fan, Yinghui Li, Qinghua Hu, Ruifu Yang, Yujun CuiAbstractVibrio parahaemolyticus is the leading bacterial cause of seafood-associated gastroenteritis worldwide. Moreover, infections and outbreaks caused by V. parahaemolyticus has kept increasing over the last two decades. In this study, we investigated the genetic...
Mon, 07/15/2019 - 01:05
Available online 13 July 2019 Author(s): Xiuqin Lou, Tao Liu, Wei Zhang, Hua Yu, Haoqiu Wang, Shujuan Song, Qi Chen, Zhiguo FangAbstractCronobacter was positive in cereals at a relatively high rate. In the present study, we investigated the occurrence and characteristics of this pathogen systematically in diverse cereals. All sampled food (N = 467) contained Cronobacter with a high positive rate...
Mon, 07/15/2019 - 01:05
Available online 14 July 2019 Author(s): Carlota Cedillo Martin, Cecilie Smith Svanevik, Bjørn Tore Lunestad, Camilla Sekse, Gro S. JohannessenAbstractOnly a few studies concerning Shiga toxin-producing E. coli (STEC) detection in bivalves and their harvesting areas have been reported, and to the best of our knowledge there are no outbreaks associated with STEC from bivalves described. The aim of...
Sat, 07/13/2019 - 01:03
Available online 12 July 2019 Author(s): Aixia Xu, O. Joseph Scullen, Shiowshuh Sheen, James R. Johnson, Christopher H. SommersAbstractExtraintestinal pathogenic Escherichia coli are common contaminants in retail poultry and involved inflammatory bowel disease, urinary tract infections and meningitis in both animals and humans. They cause significantly more illnesses and deaths in humans than...
Fri, 07/12/2019 - 01:04
Available online 11 July 2019 Author(s): Davy Verheyen, Maria Baka, Simen Akkermans, Torstein Skåra, Jan F. Van ImpeAbstractThe development of more accurate predictive models that describe the microbial kinetics of mild thermal treatments of foods requires knowledge concerning the influence of food microstructure and initial cell conditions on foodborne pathogens’ inactivation kinetics. The...
Thu, 07/11/2019 - 01:05
Available online 10 July 2019 Author(s): Josué Delgado, Ana-Rosa Ballester, Félix Núñez, Luis González-CandelasAbstractPostharvest fungal diseases are among the main causes of fresh fruit losses. Chemical control is against claims for “natural” or “chemical-free” products. Biocontrol agents, such as antifungal proteins or their producing moulds, may serve to combat unwanted pathogens. Since the...
Mon, 07/08/2019 - 01:04
Available online 5 July 2019 Author(s): Ji-Hoon Kang, Kyung Bin SongAbstractThis study was conducted to investigate the antibacterial activity of the noni fruit extract (NFE) against Listeria monocytogenes (ATCC, 19111 and 19115) and assess its applicability for the washing of fresh-cut produce. Based on the results of the disc diffusion test, L. monocytogenes (ATCC, 19111 and 19115) was...
Mon, 07/08/2019 - 01:04
Available online 6 July 2019 Author(s): Sonia Lamon, Asmine Bastardo, Domenico Meloni, Simonetta Gianna Consolati, Federica Fois, Gabriella Porcheddu, Vanessa Agus, Margherita Pes, Maria Giovanna Cambula, Anna Mureddu, Jesus L. RomaldeAbstractThe aim of the present study was to investigate the genetic variability of Vibrio parahaemolyticus strains isolated from naturally contaminated...
Mon, 07/08/2019 - 01:04
Available online 6 July 2019 Author(s): Benjamin Duqué, Nabila Haddad, Albert Rossero, Jeanne-Marie Membré, Sandrine GuillouAbstractWorldwide, Campylobacter infections are the main cause of human bacterial enteritis and broiler meat is considered as the most important source of human campylobacteriosis. Some mitigation strategies have been focused on reduction of Campylobacter at the slaughtering...
Wed, 07/03/2019 - 01:06
Available online 1 July 2019 Author(s): Danielle Leblanc, Marie-Josée Gagné, Élyse Poitras, Julie BrassardAbstractThe viability of murine norovirus (MNV-1), bovine rotavirus (boRV), and hepatitis A virus (HAV) was evaluated at 21 °C, 4 °C, and −20 °C on stainless steel surfaces, in bottled water, and on blueberries for up to 21 days. After 14 days of incubation at 21 °C on stainless steel, a...

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